28440139 (number)

28440139 is an odd 8-digits composite number following 28440138 and preceding 28440140. In scientific notation, it is written as 2.8440139 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 22501584 positive integers (up to 28440139) that are relatively prime to 28440139.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred forty thousand one hundred thirty-nine

Notation

Scientific notation 2.8440139 × 10^7
Engineering notation 2.8440139 × 10^6

Prime Factorization of 28440139

Prime Factorization 7 × 7 × 13 × 44647

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4062877
Product of the distinct prime numbers

The prime factorization of 28440139 is 7 × 7 × 13 × 44647. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 64, 76, 18, 718, 1361, 5554, 29335, 32359, 434958, 491804, 5629616, 6661642, 46987519, 92720721, 556570543, 629149536, 8132725964, 762616565

Basic calculations (n = 28440139)

Multiplication

n×y
n×2 56880278
n×3 85320417
n×4 113760556
n×5 142200695

Division

n÷y
n÷2 14220069.5
n÷3 9480046.3333333
n÷3 7110034.75
n÷5 5688027.8

Exponentiation

ny
n2 808841506339321
n3 2.300356486926E+22
n4 6.5422458237726E+29
n5 1.8606238060026E+37

Nth Root

y√n
2√n 5332.9296826416
3√n 305.24172899674
4√n 73.026910674365
5√n 30.958958564988

Divisors of 28440139

1, 7, 13, 49, 91, 637, 44647, 312529, 580411, 2187703, 4062877, 28440139

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28440138
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28440139 can be divided by 12 positive divisors. The sum of these divisors (counting 28440139) is 1, the average is 0.083333333333333.

Base conversion 28440139

Base System Value
2 Binary 1101100011111011001001011
3 Ternary 1222111220112111
4 Quaternary 1230133121023
5 Quinary 24240041024
6 Senary 2453323151
8 Octal 154373113
10 Decimal 28440139
12 Duodecimal 96364b7
16 Hexadecimal 1b1f64b
20 Vigesimal 8hf06j
36 Base36 gxkjv

Cryptographic Hash Functions

md5 baf85f5efada315ad6d951ecfd373052
sha1 2ae62e3a780c8a67203d54521e15d0c8b201cc0c
sha256 9fdcd728c1f3818bbe3350f34753d959e486cc2f8cc7c8d81e7cc698d9afe2bc
sha512 0381d4bd298619c74636c2ea9daebf5ed9c006ba558c9088a7dc2c37ed890fdd5e0cc67979def3d1f05790a13c6d3996e733528025c0db8ed0a17f79d8291538
ripemd-160 0160be87d39e1704a213cf6111f8970f3126b2f8

28440139 as geometric shapes

Circle

Radius = n
Diameter 56880278
Circumference 178694663.49895
Area 2.5410505342341E+15

Sphere

Radius = n
Volume 9.6357107199523E+22
Surface area 1.0164202136936E+16
Circumference 178694663.49895

Square

Length = n
Perimeter 113760556
Area 808841506339321
Diagonal 40220430.289576

Cube

Length = n
Surface area 4853049038035926
Volume 2.300356486926E+22
Space diagonal 49259765.722321

Equilateral Triangle

Length = n
Perimeter 85320417
Area 3.5023864606256E+14
Altitude 24629882.861161

Triangular Pyramid

Length = n
Surface area 3.5023864606256E+14
Volume 2.7109961184197E+21
Height 13406810.096525